Home / 20,677.68-31,021.38-5,886.27

Finding the Fourth Proportional to 20,677.68, 31,021.38 and 5,886.27

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Solution

The fourth proportional to 20,677.68, 31,021.38 and 5,886.27 is: 8,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.68 : 31,021.38 = 5,886.27 : x
  2. Step 2: Convert to fraction form
    20,677.68/31,021.38 = 5,886.27/x
  3. Step 3: Cross multiply
    20,677.68x = 31,021.38 × 5,886.27
  4. Step 4: Simplify right side
    20,677.68x = 182,600,218.45
  5. Step 5: Solve for x
    x = 182,600,218.45/20,677.68
  6. Step 6: Final answer
    x = 8,830.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.